Top roll clearer for drawing frames



May 30, 1950 Filed Oct. 24, 1947 TOP c. DIMILLER ET AL 2,509,982

ROLL CLEARER FOR DRAWING FRAMES 3 Sheets-Sheet 1 I 1 n 1% t luudj 2 gwwm/bouz CHARLL'S D. MILLER L S Lnzs 11956 Q- m. MILLER ETA! TOP ROLLCLEARER FOR DRAWING FRAMES 3 Sheets-Sheet 2 Filed 001;. 24

TOP ROLL CLEARER FOR DRAWING FRAMES Filed Oct. 24, 1947 3 Sheets-Sheet 3rgr 1 T I 9/ Q a, 8 LE :2 Q),

gywnzm/tw Cam us 0. MILLER L 5 LYLES QUICK/M4112 Patented May 30, 1950UNITED STATES 'PTENT OFFICE TOP ROLL CLEARER FOR DRAWING FRAMES CharlesD. Miller and L S Lyles, Chester, S. 0.

Application October 24, 1947, Serial No. 781,882

3 Claims.

1 Thi invention relates to means for scavenging or removingloose'fibres, lint and theIike from textile rolls, in drawing frames,spinning frames and the like.

It is a well known fact that in the drafting of textile fibres, such asin roving frames, drawing frames, spinning frames and the like, loosefibres are accustomed to collect into bunches on the front rolls andcause the front rolls to eye-brow and then thesebunches of fibres orlint will be:

and rearwardly relative to the top rolls, by means driven by themachine.

It is. another object. of this, invention to provide clearing means fortextile drawing rolls and the like which will not only contact the toprolls and remove lint and other loose fibres therefrom, but which willreciprocate backwardly and forwardly, with relation to the top rolls, tothus provide a very much better cleaning action than would be the caseif the contacting means were stationary with relation to the rolls.

Someof the objects of the invention having been stated, other-objectswill apear as the description proceeds when taken in connection with theaccompanying drawings, in which Figure l is a front elevation of asection of a drawingframe and showing the clearer, board in raisedposition;

Figure 2 is a top plan view of a section of a drawing frame and showingthe central portion of the cover above the clearer board brokenawayinorder to illustrate the invention;

Figure 3 is a transverse sectional View taken along the line 3-3 inFigure 2 and showing the clearer board in almost fully advancedposition;

Figure 4 is a view similar to Figure 3 but showing the clearer boardalmost in its most rearward position.

Referring more specifically to the drawings, the numeral It indicatessuitable bearing stands secured on a suitable support such as a board II. Secured on the upper surfaces of these stands H] by any suitablemeans such as bolts [2 penetrating slots [3 are the rear bearings l4 andintermediate bearings and I6 and front bearfrom between the top andbottom rolls.

ings H. In each of these is mounteda roller neck l8 which is usuallyupported within a suitable sleeve l9. These roller necks are secured inany suitable manner such as: by threading into the ends: of the bottomfluted rolls 2 l,. 221 and 31 reading from. thesrear to thefront-of thedrawing frame.

These bottom rolls are driven from any suitable means at the end of themachine, which is not shown. Resting on top of the sleeves [9: are thefixed sleeve members which are flattened on their sides-as at 28 to fitinto the slots 21 of the bearings Hi to H inclusive, andin these sleeves25 are rotatably mounted the end bearing portions 30 of the top rolls 3|which usually have a rubber, leather or cork covering 32. Suitablepressure applying means are applied to the top rolls to hold them incontact with the fluted bottom rolls but such pressure applying means isnot shown, but these pressure applying means are usually hooked into theperipheral grooves 33 in the sleeves 25.

slivers are adapted to pass between the top and bottom rear rolls andforwardly and out It often happens that lint is picked up by the toprolls and the lint is collected on the top rolls into slubsor-bunchesandlater are transferred back into the silver or rovingpassing between the top and bottom rolls. Some means 'must be providedfor properly cleaning these top rolls and pre venting the bunches oflint and loose fibres from being carried around by the top rollsanddeposited into the roving or sliver passing between the top andbottom rolls.

The supports it havesecured' thereto, by any suitable means such as ascrew 4|], uprising brackets, 4! in which is oscillatably mounted ashaft 42. Also oscillatably mounted on the shaft 62 are bearing portions43 which are integral with a steel or cast cover 4 which covers the toprolls, and the downwardly projecting wall portion 55 of the cover 44 isadapted to rest on top of the front bearings IT to limit downwardmovement of the cover 44.

Thus the cover 44 is pivoted on the shaft 42 and can be moved from theposition shown in Figures 3 and 4 to an elevated position shown inFigure 1.

The lower surface of the horizontal portion of cover 44 has projectingdownwardly therefrom a pair of spaced pins to and 5| which projectthrough suitable slots 52 and 53 in plates 54 and 55 secured on top of aboard 56. The lower ends of these pins and 5| are interially threadedinto which are driven screws 58 having a washer 59 therearound to limitdownward movement of the plates 54 and 55 relative to the pins and 5|.By this arrangement the downward movement of the board 56 is limited andthe slots 52 and 53 allow back and forth reciprocatory movement of theboard 56. This board 56 is covered with a felt cloth 60 on its lowersurface, which extends up and covers the front and rear edges of theboard and is secured on the top portions of the board 56. This felt isadapted to rest on the top roller coverings 32 by the weight of theboard itself.

In order to impart reciprocatory back and forth movement to the board56, there are secured in each end of the board screws 55 and 66 to whichare pivoted arms 61 and 63 which extend rearwardly and are pivoted as at$9 and Ill to the up per ends of arms "H and 12 which are fixedlysecured at their lower ends on the shaft i2. There is also fixedlysecured on the shaft 32 an arm '55 to the lower end of which ispivota-lly secured as at 16 a connecting rod H which is pivotallysecured as at 18 on a pinion 79 in an off-center position. The pinion 19is mounted on a stub shaft 80 fixed in a bracket BI secured on a board82 which is supported by brackets 83 secured to the brackets M as at 85.The board 82 is held in position on the arms 83 by means of bolts 81.

The pinion 19 meshes with a pinion 90 fixed on a rotatable shaft 9|mounted in a suitable bearing 92 and driven from the head portion of themachine by conventional means not shown.

It is thus seen that as the machine operates, and as slivers or rovingare being passed through the sections of the drawing frames, that isbetween the top and bottom rolls, the shaft 9i will also be rotated, andthis will impart reciprocatory back and forth motion to the board 56 tomove it forwardly and rearwardly to thus wipe the lint and other fibrescollected on the rolls and especially the top front roll to thus preventits eyebrowing and casting off bunches of fibres into the yarn to formslubs and other imperfections.

In the drawings and specification there has been set forth a preferredembodiment of the invention, and although specific terms are employed,they are used in a generic and descriptive sense only, and not forpurposes of limitation, the scope of the invention being defined in theclaims.

We claim:

1. In a drawing frame and the like having top and bottom rolls, a coverdisposed above the top rolls, an osoillatable shaft at the rear of theframe on which the rear edge of the cover is pivoted, a pair ofdownwardly projecting pins extending from the lower surface of thecover, a board disposed between the pins and having a plate secured toand extending from each end thereof, each of the plates being slotted ina direction transverse to the axes of the rolls and through which thepins are adapted to project, means on the lower ends of the pins forsupporting the board when the free end of the cover is raised, saidboard having a felt covering on its lower surface for contacting the toprolls, and means connecting the board and the oscillatable shaft forimparting reciprocatory movement to the board in a direction which istransverse to the longitudinal axes of the rolls.

In a drawing frame and the like having top and bottom rolls, a coverdisposed above the top rolls, an osoillatable shaft at the rear of theframe on which the rear edge of the cover is pivoted, pair of downwardlyprojecting pins extending from the lower surface of the cover, a boarddisposed between the pins and having a plate secured to and extendingfrom each end thereof, each of the plates being slotted in a directiontransverse to the axes of the rolls and through which the pins areadapted to project, means on the lower ends of the pins for supportingthe board when the free end of the cover is raised, said board having afelt covering on its lower surface for contacting the top rolls, a pairof arms fixed on the osoillatable shaft, 2. connecting rod between thefree end of each arm and an end of said board for imparting oscillatorymovement to the board in a direction which is transverse to the axes ofthe top rolls.

3. In a drawing frame and the like having top and bottom rolls, a coverdisposed above the top rolls, an osoillatable shaft at the rear of theframe on which the rear edge of the cover is pivoted, a pair ofdownwardly projecting pins extending from the lower surface of thecover, a board disposed between the pins and having a plate secured toand extending from each end thereof, each of the plates being slotted ina direction transverse to the axes of the rolls and through which thepins are adapted to project, means on the lower ends of the pins forsupporting the board when the free end of the cover is raised, saidboard having a felt covering on its lower surface for contacting the toprolls, a pair of arms fixed on the osoillatable shaft, a connecting rodbetween the free end of each arm and an end of said board for impartingoscillatory movement to the board in a direction which is transverse tothe axes of the top rolls, means for driving the osoillatable shaftcomprising a driven shaft, a pinion on said driven shaft, aneccentrically mounted crank pin fixed on one side to the pinion, a leverarm fixed to the osoillatable shaft and a connecting link extendingbetween and pivotally connected to the eccentrically mounted crank pinand to said lever arm.

CHARLES D. MILLER.

L S LYLES.

REFERENCES CITED The following references are of record in the file ofthis patent:

UNITED STATES PA'I'ENTS Number Name Date 602,626 Matteson Apr. 19, 1898658,918 Keach Oct. 2, 1900 FOREIGN PATENTS Number Country Date 3,500Great Britain 1914

